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Liver Stiffness Indicates Portal Hypertension

March 6th, 2009 · No Comments
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Measuring liver stiffness using transient elastography can calculate sober portal hypertension within patients beside hepatitis C-related cirrhosis, according to a bright exploration in the May bring out of Hepatology, the ceremonial bulletin of the American Association in support of the Study of Liver Diseases (AASLD). Published with John Wiley & Sons, Inc., Hepatology be going spare online via Wiley InterScience at As liver virus progress, fibrosis lead to portal hypertension which cause potentially noxious complications such in place of variceal hemorrhage, ascites and portosystemic encephalopathy.

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In survey of another channel of access to assess liver fibrosis and portal hypertension, researchers, lead by Massimo Pinzani, MD, PhD, of the University of Florence, sought to benchmark up and about to transient elastography, a in a hurry, non-invasive technique to measure liver stiffness. They compare its truth in detect portal hypertension and its complications with that of HVPG width.

Between March 1, 2005 and July 1, 2006, the researchers studied 61 succeeding patients with diagnose or suspected cirrhosis from inveterate HCV infectivity. Each forgiving go through transient elastography to measure liver stiffness. Immediately afterward, they underwent HVPG measurement and liver biopsy. The researchers then analyzed the facts and compared the diagnostic tools.

“Considering the undamaged patient population, a statistically celebrated, cheery correlation linking HVPG and liver stiffness measurement be found,” they history. The correlation was indestructible for HVPG values smaller number than 10 or 12 mmHg, but not as flawless for greater HVPG values. They also noted a correlation between liver stiffness measurement and the attendance of esophageal varices, however, the distrustful and positive predictive values for the recollection of varices be incomplete, at 66 percent and 77 percent respectively.

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An accompanying editorial by Joseph Lim of Yale University School of Medicine and Roberto Groszmann of VA Connecticut levitra professionalcare System and Yale University shout approval the study as the first to evaluate the correlation between liver stiffness measurement and clinically significant portal hypertension as reflect by both steer HVPG measurement and the christening of esophageal varices on top of upper GI endoscopy.

“Additional validation study evaluate its diagnostic accuracy in a representing American population be needed prior to regulatory go-ahead and all-embracing contention to clinical try-out,” the editorial authors hallway, extremely because the mingy BMI of the study population was 23, which contrast to problematic mean BMIs in the U.S. population. To date HVPG fixed is the gold ingot standard.. for predict clinical decompensation and the rejoinder of portal pressure to pharmacological dream therapy.

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